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1) Exlporation. Residential areas will only have family type networks, that should be obvious. Try an urban area, it should yield more interesting results.

2) Like Gizmo said, change your ESSID regularly. It takes a program like airsnort 10,000 packets to get your key. That takes a little while so if your extremely paranoid you can change your key daily, rotate them. Something that I do that helps is that I have my wireless router outside of my LAN so none of my internal servers are accesible from the wifi network (except from the same means that they are accessible to the rest of the internet).

thanks for the help guys, im not really parinoid, my friend keeps threatening me about how he is gonna break my encryption and infest my system. So is there no way i can find out if some one is snorting me?

Originally posted by sinetific:2) Like Gizmo said, change your ESSID regularly. It takes a program like airsnort 10,000 packets to get your key. That takes a little while so if your extremely paranoid you can change your key daily, rotate them. Something that I do that helps is that I have my wireless router outside of my LAN so none of my internal servers are accesible from the wifi network (except from the same means that they are accessible to the rest of the internet).

Id oubt he has an essid... That is the ssid on an ESS: more than one AP linked together. If he has only one AP then it's a BSSID :p

Oh woops. Yeah anyways...Also try implementing an access control list. Most routers are capable of this function. It only allows certian MACs to connect to your router. You can still be sniffed, but they cant connect to your network. 802.11g routers use WPA, which unlike the more popular WEP isn't as easily cracked.

Yes, a reverse MAC address filter is awesome for secutiry; I have it on my 802.11GS, works quite well and will refuse any connections to the router or network unless their in the MAC address list or wired in.